Question

Analyse the following information and answer the questions.

Alkaloid	Part of the plant	Uses
Quinine	bark	Anti malarial drug.
Nicotine	leaves	Insecticide
Morphine	fruits	Pain killer, sedative.
Caffeine	seeds	Central Nervous System stimulant.
Pyrethroids	flowers	Insecticides
Scopolamine	fruits, flowers	Sedative

(i) Which parts of the plants are used as alkaloids ?
(ii) What are the alkaloids which are used to control the diseases that occur in plants ?
(iii) Name the parts of the plant from which we get alkaloids used as sedative.
(iv) Name the alkaloid which is used to prevent malaria.

Answer 1

(i) The bark, leaves, fruits, seeds and flowers are used as the source of alkaloids.

(ii) Nicotine and pyrethroids are the alkaloids which are used to control the diseases that occur in the plants.

(iii) The fruits and the flowers are the parts of the plants which produces alkaloids that are used as sedatives.

(iv) Quinine is the alkaloid which is used for the prevention of malaria.